llvm/test/CodeGen/X86/2010-02-11-NonTemporal.ll
David Greene 8939b0d8a9 Add support for emitting non-temporal stores for DAGs marked
non-temporal.  Fix from r96241 for botched encoding of MOVNTDQ.

Add documentation for !nontemporal metadata.

Add a simpler movnt testcase.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96386 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-16 20:50:18 +00:00

23 lines
765 B
LLVM

; RUN: llc < %s -march=x86-64 | FileCheck %s
; CHECK: movnt
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
target triple = "x86_64-unknown-linux-gnu"
!0 = metadata !{ i32 1 }
define void @sub_(i32* noalias %n) {
"file movnt.f90, line 2, bb1":
%n1 = alloca i32*, align 8
%i = alloca i32, align 4
%"$LCS_0" = alloca i64, align 8
%"$LCS_S2" = alloca <2 x double>, align 16
%r9 = load <2 x double>* %"$LCS_S2", align 8
%r10 = load i64* %"$LCS_0", align 8
%r11 = inttoptr i64 %r10 to <2 x double>*
store <2 x double> %r9, <2 x double>* %r11, align 16, !nontemporal !0
br label %"file movnt.f90, line 18, bb5"
"file movnt.f90, line 18, bb5":
ret void
}